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Warm Up April 24 th. What is the formula for the inscribed angle? What is the formula for a vector outside the circle?. EOCT Week 14 #4. Circumference & Arc Length of Circles. Circumference. The distance around a circle. Circumference. or. r = 14 feet d = 15 miles.
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Warm Up April 24th • What is the formula for the inscribed angle? • What is the formula for a vector outside the circle?
Circumference The distance around a circle
r = 14 feet d = 15 miles Find the EXACT circumference.
33 yd Ex 3 and 4: Find the circumference. Round to the nearest tenths. 14.3 mm
5. A circular flower garden has a radius of 3 feet. Find the circumference of the garden to the nearest hundredths. C = 18.85 ft
Arc Length The distance along the curved line making the arc (NOT a degree amount)
Ex 6. Find the Arc LengthRound to the nearest hundredths 8m 70
Ex 7. Find the Arc Length Round to the nearest hundredths 12 in 110
Radian Measure of a Circle another way to measure angles!
How to convert from … • Degrees to Radians: • Radians to Degrees: Mode – RAD Type degrees Math – DMS – 1: ORAngle – 1: enter Mode – DEG Type radians Math – DMS – 4: OR Angle – 4: enter
Arc Length Homework 11 problems